Patent US3451885A successfully refreshed from Google Patents.
US3451885A
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Needled composite web and method of making the same
Assignee: Union Carbide Corp
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Filing: 1964-09-24
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Granted: 1969-06-24
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Expires: 1984-09-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:26
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/02; B32B5/06; B32B3/00; B32B3/26; B32B3/30; B32B5/022; B32B5/024; B32B5/18; B32B5/22; B32B7/00; B32B7/04; B32B7/12; B32B2255/00; B32B2255/02; B32B2255/26; B32B2262/00; B32B2262/02; B32B2262/0246; B32B2262/0253; B32B2262/0261; B32B2262/0276; B32B2262/04; B32B2262/06; B32B2262/062; B32B2262/08; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2307/00; B32B2307/30; B32B2307/31; B32B2307/50; B32B2307/546; B32B2307/70; B32B2307/718; B32B2307/72; B32B2419/00; B32B2479/00; B32B2601/00; B32B2605/00; B32B2605/003; B32B2605/08; B32B5/24; B32B5/245; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/335; Y10T442/3358; Y10T442/60; Y10T442/647
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A COMPOSITE WEB MATERIAL COMPRISING A NONWOVEN FIBROUS WEB, A SHEET OF FLEXIBLE FOAM, AND AN OPEN MESH WOVEN FABRIC ADJACENT TO SAID FLEXIBLE FOAM, SAID WEB BEING NEEDLED TO SAID SHEET OF FOAM, THE NEEDLED FIBERS
Claim 2
Dependent Claim
37 words
A COMPOSITE WEB MATERIAL COMPRISING A NONWOVEN FIBROUS WEB, A SHEET OF FLEXIBLE FOAM, AND AN OPEN MESH WOVEN FABRIC ADJACENT TO SAID FLEXIBLE FOAM, SAID WEB BEING NEEDLED TO SAID SHEET OF FOAM, THE NEEDLED FIBERS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |